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All results from a given calculation for HOCH2COOH (Hydroxyacetic acid)

using model chemistry: mPW1PW91/aug-cc-pVDZ

19 10 17 12 22

States and conformations

State Conformation minimum conformation conformer description state description
1 1 yes CS 1A
Energy calculated at mPW1PW91/aug-cc-pVDZ
 hartrees
Energy at 0K-304.274444
Energy at 298.15K-304.280152
HF Energy-304.274444
Nuclear repulsion energy180.342144
The energy at 298.15K was derived from the energy at 0K and an integrated heat capacity that used the calculated vibrational frequencies.
Vibrational Frequencies calculated at mPW1PW91/aug-cc-pVDZ
Mode Number Symmetry Frequency
(cm-1)
Scaled Frequency
(cm-1)
IR Intensities
(km mol-1)
Raman Act
(Å4/u)
Dep P Dep U
1 A' 3800 3641 80.94      
2 A' 3763 3606 83.59      
3 A' 3044 2917 32.16      
4 A' 1834 1757 305.73      
5 A' 1479 1417 0.06      
6 A' 1468 1407 16.88      
7 A' 1361 1304 139.34      
8 A' 1287 1234 31.10      
9 A' 1195 1145 113.99      
10 A' 1145 1098 233.07      
11 A' 879 842 36.75      
12 A' 652 625 16.35      
13 A' 475 455 27.81      
14 A' 278 266 9.68      
15 A" 3080 2951 11.07      
16 A" 1247 1195 0.07      
17 A" 1032 989 2.25      
18 A" 656 628 116.08      
19 A" 516 495 6.37      
20 A" 360 345 76.94      
21 A" 103 99 8.63      

Unscaled Zero Point Vibrational Energy (zpe) 14826.0 cm-1
Scaled (by 0.9583) Zero Point Vibrational Energy (zpe) 14207.7 cm-1
See section III.C.1 List or set vibrational scaling factors to change the scale factors used here.
See section III.C.2 Calculate a vibrational scaling factor for a given set of molecules to determine the least squares best scaling factor.
Rotational Constants (cm-1) from geometry optimized at mPW1PW91/aug-cc-pVDZ
ABC
0.35922 0.13629 0.10067

See section I.F.4 to change rotational constant units
Geometric Data calculated at mPW1PW91/aug-cc-pVDZ

Point Group is Cs

Cartesians (Å)
Atom x (Å) y (Å) z (Å)
C1 -0.603 -0.860 0.000
C2 0.000 0.519 0.000
O3 -0.920 1.493 0.000
O4 1.193 0.720 0.000
O5 0.393 -1.841 0.000
H6 -1.250 -0.953 0.886
H7 -1.250 -0.953 -0.886
H8 1.240 -1.371 0.000
H9 -0.445 2.337 0.000

Atom - Atom Distances (Å)
  C1 C2 O3 O4 O5 H6 H7 H8 H9
C11.50502.37452.39151.39731.10171.10171.91173.2004
C21.50501.34001.20942.39222.12512.12512.26041.8712
O32.37451.34002.24973.58312.62282.62283.58730.9677
O42.39151.20942.24972.68283.09073.09072.09192.3012
O51.39732.39223.58312.68282.06712.06710.96824.2604
H61.10172.12512.62283.09072.06711.77272.67573.5007
H71.10172.12512.62283.09072.06711.77272.67573.5007
H81.91172.26043.58732.09190.96822.67572.67574.0726
H93.20041.87120.96772.30124.26043.50073.50074.0726

picture of Hydroxyacetic acid state 1 conformation 1
More geometry information
Calculated Bond Angles
atom1 atom2 atom3 angle atom1 atom2 atom3 angle
C1 C2 O3 113.029 C1 C2 O4 123.175
C1 O5 H8 106.419 C2 C1 O5 110.970
C2 C1 H6 108.230 C2 C1 H7 108.230
C2 O3 H9 107.256 O3 C2 O4 123.796
O5 C1 H6 111.067 O5 C1 H7 111.067
H6 C1 H7 107.129
Electronic energy levels
Charges, Dipole, Quadrupole and Polarizability
Charges from optimized geometry at mPW1PW91/aug-cc-pVDZ Charges (e)
Number Element Mulliken CHELPG AIM ESP
1 C 0.828      
2 C 0.600      
3 O -0.464      
4 O -0.569      
5 O -0.536      
6 H -0.091      
7 H -0.091      
8 H 0.151      
9 H 0.173      


Electric dipole moments
Electric dipole components in Debye
(What's a Debye? See section VII.A.3)
  x y z Total
  -1.433 1.860 0.000 2.348
CHELPG        
AIM        
ESP        


Electric Quadrupole moment
Quadrupole components in D Å
Primitive
 xyz
x -30.841 -0.259 0.000
y -0.259 -29.047 0.000
z 0.000 0.000 -28.539
Traceless
 xyz
x -2.048 -0.259 0.000
y -0.259 0.643 0.000
z 0.000 0.000 1.405
Polar
3z2-r22.810
x2-y2-1.795
xy-0.259
xz0.000
yz0.000


Polarizabilities
Components of the polarizability tensor.
Units are Å3 (Angstrom cubed)
Change units.
  x y z
x 6.229 -0.121 0.000
y -0.121 6.437 0.000
z 0.000 0.000 4.281


<r2> (average value of r2) Å2
<r2> 110.707
(<r2>)1/2 10.522